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1 <!doctype html>
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2
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3 <title>CodeMirror: APL mode</title>
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4 <meta charset="utf-8"/>
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5 <link rel=stylesheet href="../../doc/docs.css">
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6
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7 <link rel="stylesheet" href="../../lib/codemirror.css">
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8 <script src="../../lib/codemirror.js"></script>
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9 <script src="../../addon/edit/matchbrackets.js"></script>
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10 <script src="./apl.js"></script>
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11 <style>
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12 .CodeMirror { border: 2px inset #dee; }
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13 </style>
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14 <div id=nav>
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15 <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png" alt=""></a>
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16
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17 <ul>
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18 <li><a href="../../index.html">Home</a>
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19 <li><a href="../../doc/manual.html">Manual</a>
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20 <li><a href="https://github.com/codemirror/codemirror5">Code</a>
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21 </ul>
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22 <ul>
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23 <li><a href="../index.html">Language modes</a>
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24 <li><a class=active href="#">APL</a>
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25 </ul>
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26 </div>
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27
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28 <article>
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29 <h2>APL mode</h2>
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30 <form><textarea id="code" name="code">
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31 ⍝ Conway's game of life
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32
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33 ⍝ This example was inspired by the impressive demo at
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34 ⍝ http://www.youtube.com/watch?v=a9xAKttWgP4
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35
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36 ⍝ Create a matrix:
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37 ⍝ 0 1 1
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38 ⍝ 1 1 0
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39 ⍝ 0 1 0
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40 creature ← (3 3 ⍴ ⍳ 9) ∈ 1 2 3 4 7 ⍝ Original creature from demo
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41 creature ← (3 3 ⍴ ⍳ 9) ∈ 1 3 6 7 8 ⍝ Glider
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42
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43 ⍝ Place the creature on a larger board, near the centre
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44 board ← ¯1 ⊖ ¯2 ⌽ 5 7 ↑ creature
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45
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46 ⍝ A function to move from one generation to the next
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47 life ← {∨/ 1 ⍵ ∧ 3 4 = ⊂+/ +⌿ 1 0 ¯1 ∘.⊖ 1 0 ¯1 ⌽¨ ⊂⍵}
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48
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49 ⍝ Compute n-th generation and format it as a
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50 ⍝ character matrix
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51 gen ← {' #'[(life ⍣ ⍵) board]}
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52
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53 ⍝ Show first three generations
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54 (gen 1) (gen 2) (gen 3)
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55 </textarea></form>
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56
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57 <script>
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58 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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59 lineNumbers: true,
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60 matchBrackets: true,
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61 mode: "text/apl"
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62 });
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63 </script>
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64
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65 <p>Simple mode that tries to handle APL as well as it can.</p>
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66 <p>It attempts to label functions/operators based upon
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67 monadic/dyadic usage (but this is far from fully fleshed out).
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68 This means there are meaningful classnames so hover states can
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69 have popups etc.</p>
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70
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71 <p><strong>MIME types defined:</strong> <code>text/apl</code> (APL code)</p>
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72 </article>
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